diff --git a/clang/cmake/caches/3-stage-base.cmake b/clang/cmake/caches/3-stage-base.cmake
index 6c93ec0b477d..90d40f7d95f4 100644
--- a/clang/cmake/caches/3-stage-base.cmake
+++ b/clang/cmake/caches/3-stage-base.cmake
@@ -3,6 +3,7 @@ set(CLANG_ENABLE_BOOTSTRAP ON CACHE BOOL "")
 set(LLVM_BUILD_EXTERNAL_COMPILER_RT ON CACHE BOOL "")
 set(LLVM_TARGETS_TO_BUILD X86 CACHE STRING "")
 set(BOOTSTRAP_LLVM_ENABLE_LTO ON CACHE BOOL "")
+set(LLVM_ENABLE_TIMESTAMPS OFF CACHE BOOL "")
 
 set(CLANG_BOOTSTRAP_TARGETS
   clang